Temperature Change (IMAGE) Iowa State University Caption This image shows how much daily summer high temperatures are expected to increase from the 1990s to the 2040s, according to a climate model prepared by the Iowa State University Regional Climate Modeling Laboratory. The model suggests summers will be warmer across the US, but the central part of the country will warm less than the rest of the country. Credit Iowa State University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.